You heard it right, Sonic 1, 2 , CD, 3&K, and 3D blast incorporated into geometry dash! I need everything and everyONE to help, we're even doing scrapped stages! We're doing Golden Capitol, Hidden Palace (S2), Wood zone, R2, basically every cut stage, green hill will use Duckstep.
Join the project's Discord server as well! (Found in my YT channel bio)